"Sat, 11 May 2024 22:21:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
22:21:52
General datetime
2024-05-11 22:21:52Z
For Database
2024-05-11 22:21:52
For HTTP1.1
Sat, 11 May 2024 22:21:52 GMT